Mark F Duffy
CIK 1493895 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 14, 2012 · Latest: March 18, 2013
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 8 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
8 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 14, 2013 | CBOE | S | 7,000 | $36.50 | $255,500 | 38,032 Direct | -15.54% | Disposed | 739.4% (price as of 2026-08-25) |
| Sept. 13, 2012 | CBOE | S | 3,000 | $29.07 | $87,210 | 45,032 Direct | -6.25% | Disposed | 953.9% (price as of 2026-08-25) |
| June 13, 2012 | CBOE | S | 3,000 | $26.93 | $80,790 | 45,247 Direct | -6.22% | Disposed | 1037.7% (price as of 2026-08-25) |
| March 14, 2012 | CBOE | S | 4,000 | $27.88 | $111,520 | 48,247 Direct | -7.66% | Disposed | 998.9% (price as of 2026-08-25) |
| Dec. 8, 2011 | CBOE | S | 8,000 | $26.12 | $208,960 | 52,247 Direct | -13.28% | Disposed | 1072.9% (price as of 2026-08-25) |
| Sept. 15, 2011 | CBOE | S 10b5-1 | 6,000 | $26.60 | $159,600 | 60,247 Direct | -9.06% | Disposed | 1051.8% (price as of 2026-08-25) |
| Aug. 29, 2011 | CBOE | S 10b5-1 | 12,000 | $25.01 | $300,120 | 66,247 Direct | -15.34% | Disposed | 1125.0% (price as of 2026-08-25) |
| Aug. 25, 2011 | CBOE | S | 10,000 | $23.77 | $237,700 | 78,247 Direct | -11.33% | Disposed | 1188.9% (price as of 2026-08-25) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.